The small mini-shuttle used by the US Air Force know as the X-37B/OTV 2 (Flight 1) successfully completed its mission as it re-entered and landed at the Vandenberg Air Force base in California at 1248 GMT on 16 June. The mission ends the speculation that the craft might have been used to mount a spying mission on Chinese manned operations including the recent docking of the Tiangong 1. in addition to its other reconnaissance duties.